Table 3 Degree of PLD estimated by gonioscopy as percentage of total ICA circumference affected and equivalent ordinal grade as published by Pearl et al. [21]
Percentage of ICA affected | Definition | Ordinal grade |
|---|---|---|
0 % | Unaffected | 0 |
<20 % | Mildly affected | 1 |
20–90 % | Moderately affected | 2 |
>90 % | Severely affected | 3 |